American Whitetail line of ammunition just for the Whitetail Deer hunter. Hornady InterLock bullet is designed to be a devastating hunting bullet. InterLock Ring ensures that the hard-alloyed lead core and tapered jacket remain locked together during expansion. Non-corrosive, in boxer primed, reloadable brass cases. 25-06,117 Grains, InterLock Spire Point, Brass. Muzzle Velocity: 2990 fps.